Home / 1,212,322.70-1,673,017.08-668,480.24

Finding the Fourth Proportional to 1,212,322.70, 1,673,017.08 and 668,480.24

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Solution

The fourth proportional to 1,212,322.70, 1,673,017.08 and 668,480.24 is: 922,509.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,322.70 : 1,673,017.08 = 668,480.24 : x
  2. Step 2: Convert to fraction form
    1,212,322.70/1,673,017.08 = 668,480.24/x
  3. Step 3: Cross multiply
    1,212,322.70x = 1,673,017.08 × 668,480.24
  4. Step 4: Simplify right side
    1,212,322.70x = 1,118,378,859,162.50
  5. Step 5: Solve for x
    x = 1,118,378,859,162.50/1,212,322.70
  6. Step 6: Final answer
    x = 922,509.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.